<!--

// script to toggle nc image map with tcana image map

//preload images to make switching of images faster

var img1=new Image();img1.src='/images/ncmap.gif';
var img2=new Image();img2.src='/images/tcanamap.gif';

function showMap(showIt) {

	// variable is binary: 1= on, 0 = off

	if (showIt==1){
		//set innerHTML to an empty string because of a bug in one of the browsers
		document.getElementById('mapdiv').innerHTML='';
		document.getElementById('mapdiv').innerHTML='<img src="/images/tcanamap.gif" width="460" height="285" usemap="#tcanamap" alt="Interactive map of TCANA" />';
	} else {
		document.getElementById('mapdiv').innerHTML='';
		document.getElementById('mapdiv').innerHTML='<img src="/images/ncmap.gif" width="460" height="285" usemap="#ncmap" alt="Interactive map of TCANA" />';
	}
}

-->
